Base | Representation |
---|---|
bin | 111111011011111… |
… | …1110001011001010 |
3 | 12111100100011201210 |
4 | 1332313332023022 |
5 | 13324410224202 |
6 | 551115153550 |
7 | 103514550105 |
oct | 17667761312 |
9 | 5440304653 |
10 | 2128601802 |
11 | 9a25a4048 |
12 | 4b4a458b6 |
13 | 27bcc35c2 |
14 | 1629b373c |
15 | c6d16c6c |
hex | 7edfe2ca |
2128601802 has 16 divisors (see below), whose sum is σ = 4258288512. Its totient is φ = 709353120.
The previous prime is 2128601737. The next prime is 2128601803. The reversal of 2128601802 is 2081068212.
It is a self number, because there is not a number n which added to its sum of digits gives 2128601802.
It is not an unprimeable number, because it can be changed into a prime (2128601803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18483 + ... + 67814.
It is an arithmetic number, because the mean of its divisors is an integer number (266143032).
Almost surely, 22128601802 is an apocalyptic number.
2128601802 is an abundant number, since it is smaller than the sum of its proper divisors (2129686710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128601802 is a wasteful number, since it uses less digits than its factorization.
2128601802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90413.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 2128601802 is about 46136.7727740032. The cubic root of 2128601802 is about 1286.3667576506.
The spelling of 2128601802 in words is "two billion, one hundred twenty-eight million, six hundred one thousand, eight hundred two".
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